e678899d7ea9702184167b56655f91a69f8a0bdc9df65612762252c053c2cd7c | Triage

Analysis

max time kernel
102s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04-01-2023 10:15

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General

Target

hfs.exe
Size

2.1MB
MD5

9e8557e98ed1269372ff0ace91d63477
SHA1

d0c4192b65e36553f6fd2b83f3123f6ae8380dac
SHA256

e678899d7ea9702184167b56655f91a69f8a0bdc9df65612762252c053c2cd7c
SHA512

c1a338c0414ac68d7ce24df06f3b665a56feae15063332324fea3250f1e77c19209ea3d89fe3a06d48974cce70bd9c65d59b7e2fbaf27c3f01ac2e898057e9ec
SSDEEP

49152:UR0LvNmmh9otEKMx9XSNVBOw+V4UvEbAThhiqvyo98ZcW7SZ:UR0xmmh9GEKgpSNVBr72QN

Score

1^/10

Malware Config

Signatures

Modifies registry class 16 IoCs

Processes:

hfs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shell\Add to HFS\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell\Add to HFS\command	hfs.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shell	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\ = "HFS file system"	hfs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vfs\shell\Open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hfs.exe\" \"%1\""	hfs.exe

Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

hfs.exe

pid process

1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
Suspicious use of SendNotifyMessage 7 IoCs

Processes:

hfs.exe

pid process

1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe
1160 hfs.exe

C:\Users\Admin\AppData\Local\Temp\hfs.exe
"C:\Users\Admin\AppData\Local\Temp\hfs.exe"
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1160

Network

MITRE ATT&CK Matrix

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Downloads

memory/1160-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

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